—Can you come for dinner on Saturday or Sunday?—I’m afraid _______day is possible.
—Well, I do think the ipad is smart, convenient and intelligent. —________.
You have to believe in yourself. Self-confidence is _____ to success.
His spare time is made full use_______ law.
Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.